更多“直齿锥齿轮传动的强度计算是以( )的当量圆柱齿轮为计算基础”相关的问题
“Facial expressions, visual presence and body language have always ______ being a ______ speaker, but now emojis are blurring the lines between verbal and written communication,” thinks Kermode, who adds that cavemen had early versions of emojis on the sides of their caves.
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根据垃.圾记录薄记载规定,排放垃.圾的估计量是以单位__的()
A.吨
B.千克
C.立方米
D.升
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脓肿切开引流注意事项()
A . A.浅表脓肿放置胶片或纱条引流
B . B.敷料是否湿透
C . C.体温变化
D . D.切口处于最低位
E . E.患指切开,在侧面做纵切口
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旅客丢失钱物后,导游员首先应该做的工作是()
A、启发游客回忆丢失的情节与线索
B、向游客了解钱物丢失的过程和情况
C、向有关保卫或管理部门报告
D、提醒游客多加小心
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采用低频滤波装置时,保留的超声信号来自( )。
A.心壁 B.腱索 C.瓣膜 D.血管壁 E.血流
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军团菌的分离培养基是()
A.SS培养基
B.麦康凯培养基
C.含L-半胱氨酸的BCYE培养基
D.罗-琴培养基
E.血琼脂培养基
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根据对话内容,从对话后的选项中选出能填入空白处的最佳选项,并将答案写在本题下面的横线上。选项中有多余选
根据对话内容,从对话后的选项中选出能填入空白处的最佳选项,并将答案写在本题下面的横线上。选项中有多余选项。 — You look worried this evening, dear. 1 — I'm going through the telephone bill. It's over 100 pounds. 2 . — I don't think we've used the telephone more than usual, have we? — But the long-distance calls and telegrams are very high. Who made all these expensive calls to London? I don't remember making them. 3 . — Oh, they must be Jack's calls. Anne was staying in London with her uncle in October. Jack rang her up nearly every evening. —Oh, did he? 4 . — Jack's only earning 300 pounds a month. — What long talks they must have had! — Yes, but do remember they are young. 5 . Father sent me a check for Christmas, you remember? I haven't spent it all yet. — I wasn't serious, dear. Use your father's money for yourself. I'm sure there are lots of things you like. A. Do you know anyone in London? B. what's wrong with your work? C. Well, he can pay for the calls, then D. No wonder it comes up to 100 pounds. E. Last month it was under 70 pounds. F. I'll pay for Jack's calls to Ann. G. What's the trouble?
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病人女性,31岁,头晕、乏力伴面色苍白六个月。体检:贫血貌。血象:血红蛋白76g/L,白细胞5.1×109/L,血小板94×109/L,骨髓象表现为幼红细胞增生活跃,粒细胞和巨核细胞正常,血清铁减少,总铁结合力增高,血清铁蛋白降低。病人最早出现的异常实验室检查可能是()
A.血清铁降低 B.转铁蛋白饱和度降低 C.血清总铁结合力增高 D.血清铁蛋白降低 E.血红素降低
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在计算由两项资产组成的组合收益率的方差时,不需要考虑的因素是( )。
A.单项资产在资产组合中所占比重
B.单项资产的β系数
C.单项资产的方差
D.两种资产的协方差
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十二指肠液引流时A胆液的颜色为()
A.橙黄或淡黄色 B.棕褐、棕黄色 C.金黄色 D.棕褐色
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领导班子成员必须坚决执行党组织决定,如有不同意见,在上级或本级党组织改变决定以前,除执行决定会立即引起严重后果等紧急情况外,必须( )。
A.无条件拒绝已作出的决定
B.无条件执行已作出的决定
C.无条件搁置已作出的决定
D.有选择执行已作出的决定
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关于Galen静脉瘤,下列CT特征哪项不符合()
A.瘤体位于大脑大静脉及四叠体池内 B.平扫为均匀略高密度 C.增强扫描,病变均匀强化 D.四脑室及其以上脑室积水 E.可有弧线样钙化
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胸部后前位,右心缘由哪些结构组成()。
A.右心房、主动脉弓、肺动脉段
B.上腔静脉和升主动脉复合影、右心房
C.主动脉弓、肺动脉段、左心室
D.左心房、左心室、主动脉弓
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